| Identification | |
| Name: | Thorium oxide |
| Synonyms: | Thoria;Thorium dioxide;Thorium(IV) oxide;Thorotrast;Umbrathor; |
| CAS: | 1314-20-1 |
| EINECS: | 215-225-1 |
| Molecular Formula: | O2Th |
| Molecular Weight: | 264.00 |
| InChI: | InChI=1S/2O.Th |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 2910 7 |
| Melting Point: | 3050°C |
| Flash Point: | °C |
| Boiling Point: | °Cat760mmHg |
| Density: | g/cm3 |
| Solubility: | Insoluble in water, alkalies; slightly soluble in acid Soluble in hot sulfuric acid; insoluble in water Partially sol in biological fluids (gastric juice, plasma, etc) |
| Appearance: | white, crystalline powder |
| Report: |
NTP 10th Report on Carcinogens. Community Right-To-Know List. Reported in EPA TSCA Inventory. |
| Flash Point: | °C |
| Color: | White crystal powder White cubic crystals Heavy white powder Cubic |
| Safety Data | |
 |
|
